The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 24, 2017

Filed:

Sep. 01, 2015
Applicants:

Donald R. Greenlee, Murchison, TX (US);

Donald Jonathan Greenlee, Murchison, TX (US);

Inventors:

Donald R. Greenlee, Murchison, TX (US);

Donald Jonathan Greenlee, Murchison, TX (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 23/06 (2006.01); E21B 23/01 (2006.01); E21B 23/00 (2006.01); E21B 23/08 (2006.01);
U.S. Cl.
CPC ...
E21B 23/06 (2013.01); E21B 23/00 (2013.01); E21B 23/006 (2013.01); E21B 23/01 (2013.01); E21B 23/08 (2013.01);
Abstract

A setting tool for use inside a well bore casing having an upper portion, a lower portion, and a wrap spring. The upper portion includes a mandrel coupled to a connecting line. The upper portion is configured to receive an input. The lower portion includes a first sleeve configured translate along an axis of the setting tool. The lower portion is selectively coupled to the upper portion. The wrap spring has a torsional preload and is coupled to the upper portion and the lower portion. The wrap spring is configured to selectively release the lower portion and upon reception of the input, such that the first sleeve is permitted to translate along the axis.


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